Question

99 and standard deviation σ A population whose distribution is unknown has mean μ and a sample of size 26 is drawn from this population, then 1, a. The mean oJ a b. The standard error ot c. The distribution of A population whose distribution is unknown has mean μ = 99 and standard deviation σ = 7 and a sample of size 26 is drawn from this population, then 1, a. b. c. The mean of X= The standard error of X= The distribution of X is

Answer 1

。fopulation me Population Standard deviation, σ= Sample Size, n=26 @ Mean。f Sample mea n , μ's al.Jay equal to the population mean, : The mean 9 The standard error of x -5-- 26 二 1:37 28 is normal aith the me an, d deviation, ƠÃ=1.3728 @ The distriburien of -99 and Standar